The last WDM-2's were in the series. The fabricated underframe has a rigid design. These were very noisy in operation. The loco shed at Hubli has been modified to handle these; initially all will be based at Hubli and will be used to haul mineral ore freight from Bellary or Hospet to Vasco da Gama. The cab appears to have been the same design as used for some of CLW's electric locos. They can be MU'd with up to 4 units operating in tandem. WDM—3 Old class name. 
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The modified engines have an improved control stand and a dual-brake system. First loco delivered on July 18, The last WDM-2's were in the series.
Produced from Aprillast loco on March 26, The loco shed at Hubli has been modified to handle these; initially all will be based at Hubli and will be used to haul mineral ore freight from Bellary or Hospet to Vasco da Hhorn.
Most of these were with CR, hodn were known for being assigned to haul the 'Garbage Special' trains from Mahalaxmi to Chembur. These were apparently produced with the idea of improving the visibility for the drivers, but it was learned later that it did not make much of a difference under the typical operating conditions of these locos.
They were allocated the M10 class. Some of these locos have been spotted with a GM-style short hhorn and roof-mounted dynamic brake equipment, while others have a rounded, quasi-streamlined hood reminiscent of the WDM-2C units the ones nicknamed 'baldies' on IRFCA. Type and origin Power type Diesel.
[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : AC Electric
Starting in June10 of them to were provided by GM, operating out of Hubli but frequently seen at Guntakal, Gooty, Bangalore and Secunderabad. They have an interesting BoBo wheel arrangement. Three were built for BG inand two more with the same equipment for MG in or so. One loco not working is at Gonda shed. This site is not officially affiliated with Indian Railways! Information on meter gauge and narrow gauge diesels can be found here. The class name may have been used internally by DLW or by one of the diesel sheds for experimental variants of the WDP-4 model.
WDM—6 Class name carried over from old system. WDP—3 Class name carried over from old system. It is expected that these will need to return to their home sheds only once in about 90 days for regular maintenance.
The cabs have a slightly wider profile as in the WDP-4Bto improve visibility. A modified version of this loco with reduced weight is designated WDP-4B and is used for hauling passenger trains.
Some later units may have switched to a control unit from Medha. After extending the northern line to Jaffna and beyond, M10s were used for passenger services including Yal Devi on the northern line. All recent units have a square profile, but a few early versions have a rounded appearance. Maker's plate read 'DM-3D, July '. They are now used mostly for shunting, and occcasional branch-line duties on the Trivandrum - Kottayam, Cochin - Alleppey, and Cochin - Trivandrum sections.
Rest of the fleet retain the classic Alco hood design but have had the dynamic brake resistor moved to the roof on the short hood onwards? AfterDLW produced this loco in vast numbers in lots of different configurations. They are the most common goods locos seen on Wdm3f.
Indian locomotive class WDM-3D
Interestingly, the gap in serial numbers corresponds to the 40 units of this model delivered by GM to Pakistan at the same time. Most of these are air-braked, but some e. These locos are targeted at large industrial concerns.
Please see the WDG-4 class information for more details on this loco. Many of the later units built for IR as opposed to the earlier ones which went to the public-sector concerns in large numbersnumbered and above, are classed WDS-6R. Used on KR e.
They were the longest and most powerful locomotives owned by Sri Lanka Railways at that time.
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